JP5166292B2 - 主成分分析によりマルチチャネルオーディオ信号を符号化するための装置および方法 - Google Patents

主成分分析によりマルチチャネルオーディオ信号を符号化するための装置および方法 Download PDF

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JP5166292B2
JP5166292B2 JP2008558859A JP2008558859A JP5166292B2 JP 5166292 B2 JP5166292 B2 JP 5166292B2 JP 2008558859 A JP2008558859 A JP 2008558859A JP 2008558859 A JP2008558859 A JP 2008558859A JP 5166292 B2 JP5166292 B2 JP 5166292B2
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frequency
audio signal
decoded
signal
channels
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JP2009530651A (ja
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マニュエル・ブリヤン
ダヴィド・ヴィレット
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Orange SA
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France Telecom SA
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/233—Processing of audio elementary streams

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
JP2008558859A 2006-03-15 2007-03-08 主成分分析によりマルチチャネルオーディオ信号を符号化するための装置および方法 Active JP5166292B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0650882 2006-03-15
FR0650882 2006-03-15
PCT/FR2007/050896 WO2007104882A1 (fr) 2006-03-15 2007-03-08 Dispositif et procede de codage par analyse en composante principale d'un signal audio multi-canal

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JP2009530651A JP2009530651A (ja) 2009-08-27
JP5166292B2 true JP5166292B2 (ja) 2013-03-21

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US (1) US8370134B2 (de)
EP (1) EP2005420B1 (de)
JP (1) JP5166292B2 (de)
KR (1) KR101339854B1 (de)
CN (1) CN101401152B (de)
AT (1) ATE531036T1 (de)
WO (1) WO2007104882A1 (de)

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* Cited by examiner, † Cited by third party
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RU2486609C2 (ru) * 2008-06-19 2013-06-27 Панасоник Корпорейшн Квантователь, кодер и их способы
WO2010076460A1 (fr) * 2008-12-15 2010-07-08 France Telecom Codage perfectionne de signaux audionumériques multicanaux
WO2010070225A1 (fr) * 2008-12-15 2010-06-24 France Telecom Codage perfectionne de signaux audionumeriques multicanaux
WO2011045465A1 (en) * 2009-10-12 2011-04-21 Nokia Corporation Method, apparatus and computer program for processing multi-channel audio signals
US8942989B2 (en) * 2009-12-28 2015-01-27 Panasonic Intellectual Property Corporation Of America Speech coding of principal-component channels for deleting redundant inter-channel parameters
JP4810621B1 (ja) * 2010-09-07 2011-11-09 シャープ株式会社 音声信号変換装置、方法、プログラム、及び記録媒体
US9030921B2 (en) * 2011-06-06 2015-05-12 General Electric Company Increased spectral efficiency and reduced synchronization delay with bundled transmissions
CN102682779B (zh) * 2012-06-06 2013-07-24 武汉大学 面向3d音频的双声道编解码方法和编解码器
EP2688066A1 (de) * 2012-07-16 2014-01-22 Thomson Licensing Verfahren und Vorrichtung zur Codierung von Mehrkanal-HOA-Audiosignalen zur Rauschreduzierung sowie Verfahren und Vorrichtung zur Decodierung von Mehrkanal-HOA-Audiosignalen zur Rauschreduzierung
US9460729B2 (en) 2012-09-21 2016-10-04 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
EP2800401A1 (de) 2013-04-29 2014-11-05 Thomson Licensing Verfahren und Vorrichtung zur Komprimierung und Dekomprimierung einer High-Order-Ambisonics-Darstellung
EP2860728A1 (de) * 2013-10-09 2015-04-15 Thomson Licensing Verfahren und Vorrichtung zur Codierung und Decodierung gerichteter Nebeninformationen
US10468036B2 (en) * 2014-04-30 2019-11-05 Accusonus, Inc. Methods and systems for processing and mixing signals using signal decomposition
CN105336333B (zh) * 2014-08-12 2019-07-05 北京天籁传音数字技术有限公司 多声道声音信号编码方法、解码方法及装置
CN105336334B (zh) * 2014-08-15 2021-04-02 北京天籁传音数字技术有限公司 多声道声音信号编码方法、解码方法及装置
CN105632505B (zh) * 2014-11-28 2019-12-20 北京天籁传音数字技术有限公司 主成分分析pca映射模型的编解码方法及装置
CN105828271B (zh) * 2015-01-09 2019-07-05 南京青衿信息科技有限公司 一种将两个声道声音信号转换成三个声道信号的方法
CN105530660A (zh) * 2015-12-15 2016-04-27 厦门大学 一种基于主成分分析的信道建模方法及装置
KR102712458B1 (ko) * 2019-12-09 2024-10-04 삼성전자주식회사 오디오 출력 장치 및 오디오 출력 장치의 제어 방법
FR3112015A1 (fr) * 2020-06-30 2021-12-31 Orange Codage optimisé d’une information représentative d’une image spatiale d’un signal audio multicanal

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US6292830B1 (en) * 1997-08-08 2001-09-18 Iterations Llc System for optimizing interaction among agents acting on multiple levels
US6016473A (en) * 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
CA2354755A1 (en) * 2001-08-07 2003-02-07 Dspfactory Ltd. Sound intelligibilty enhancement using a psychoacoustic model and an oversampled filterbank
EP1500085B1 (de) 2002-04-10 2013-02-20 Koninklijke Philips Electronics N.V. Kodierung von stereosignalen
KR100981694B1 (ko) * 2002-04-10 2010-09-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 스테레오 신호들의 코딩
ATE377339T1 (de) * 2002-07-12 2007-11-15 Koninkl Philips Electronics Nv Audio-kodierung
US7333622B2 (en) * 2002-10-18 2008-02-19 The Regents Of The University Of California Dynamic binaural sound capture and reproduction
US7725324B2 (en) * 2003-12-19 2010-05-25 Telefonaktiebolaget Lm Ericsson (Publ) Constrained filter encoding of polyphonic signals
JP4950040B2 (ja) * 2004-06-21 2012-06-13 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ マルチチャンネルオーディオ信号を符号化及び復号する方法及び装置
US7809580B2 (en) * 2004-11-04 2010-10-05 Koninklijke Philips Electronics N.V. Encoding and decoding of multi-channel audio signals
US7751572B2 (en) * 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding

Also Published As

Publication number Publication date
CN101401152B (zh) 2012-04-18
ATE531036T1 (de) 2011-11-15
KR20080104065A (ko) 2008-11-28
WO2007104882A1 (fr) 2007-09-20
US8370134B2 (en) 2013-02-05
US20090083044A1 (en) 2009-03-26
KR101339854B1 (ko) 2014-02-06
EP2005420B1 (de) 2011-10-26
EP2005420A1 (de) 2008-12-24
JP2009530651A (ja) 2009-08-27
CN101401152A (zh) 2009-04-01

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